The GitHub Podcast

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This is the GitHub podcast, a show dedicated to the topics, trends, stories and culture in and around the open source developer community on GitHub.
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Tiny Wins, Big Impact: Accessibility, MCP, and the Future of Open Source at GitHub
Episode 46
Tuesday, 30 December, 2025

In this year-in-review episode of The GitHub Podcast, Cassidy and Abby are joined by Helen Hou-Sandí, GitHub’s engineering manager for the Accessibility Engineering team and lead developer in the WordPress project.They dig into Maintainer Tiny Wins, a series of two week long timeboxed improvements that save millions of developer minutes a day, from smarter PR reviewers panels and one-click merge conflict resolution to long-awaited WebP support. Helen shares how accessibility issues often spark broader UX improvements, and why fixing “just” a border color can evolve into deeply impactful changes at GitHub’s scale. They also explore the rise of the Model Context Protocol (MCP) as an open standard, GitHub’s new open source accessibility scanner action, supporting non-code contributors and AI as the “over-eager new contributor.Whether you’re a maintainer, a contributor, or just love a good Furby-powered keynote, this episode is a love letter to the tiny details that make open source better for everyone.Links mentioned in the episode:GitHub Accessibility Scanner ActionProject BluefinGitHub Universe 2025 – Day Two KeynoteUnlocking the Power of MCP2025 Octoverse ReportRefined GitHub Browser ExtensionGit History CleanerOpen Source Accessibility Summit Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.